INTERFERENCE "Can I see you a minute, Coach?" "Yes, Mack. Come in." Mack Carver, substitute back on Grinnell University's varsity squad, stepped across the threshold of Coach Edward's office. He carried his one hundred and eighty-seven pounds easily and with an athletic swagger. But he scowled as he entered, indicating that his call was about an unpleasant matter. "Well,... more...

INTRODUCTORY NOTES The author in this work endeavours to solve the greatest scientific problem that has puzzled scientists for the past two hundred years. The question has arisen over and over again, since the discovery of universal gravitation by Sir Isaac Newton, as to what is the physical cause of the attraction of gravitation. “Action at a distance” has long ceased to be recognized as a... more...

CHAPTER I Never Say Die"HOLD 'em! Hold 'em! Buck up, fellows. Don't give an inch!"A storm of cheers swept over the field, as it was seen that the scrubs were holding the 'Varsity on their ten-yard line. Three times in succession the 'Varsity players plunged like enraged bulls against the defenders of the goal, only to be thrown back without a gain. One more fierce... more...

The object of this little work is to assist those who may occasionally be called upon to form an opinion as to the genuineness of signatures, alterations in cheques, and the varied doubtful documents that demand the serious consideration of business men by way of a preliminary to "taking further steps." It is the first attempt published in England to explain the principles upon which the... more...

CHAPTER I THE BOY FROM KANSAS"Holdup!"Coach Robey, coatless, vestless, hatless, his old flannel trousers held up as by a miracle with the aid of a leather strap scarcely deserving the name of belt, pushed his way through the first squad players. The Brimfield Head Coach was a wiry, medium-sized man of about thirty, with a deeply-tanned face from which sharp blue eyes looked out under whitish... more...

CHAPTER I Ideas of phenomena ancient and modern, metaphysical and mechanical—Imponderables—Forces, invented and discarded—Explanations—Energy, its factors, Kinetic and Potential—Motions, kinds and transformations of—Mechanical, molecular, and atomic—Invention of Ethers, Faraday's conceptions. ‘And now we might add something concerning a most subtle spirit which pervades and lies... more...

CHAPTER I THE STRANGE CONTRACT "Judd, I'd rather a fellow would be anything else but a quitter!" Judd jumped to his feet, eyes blazing. "I'm not a quitter … but I'm not gonna go back to school!" Bob Billings, older brother, stared for a moment, unanswering. Judd had come on to the city to visit him during summer vacation. Since the father's death and Bob's... more...

CHAPTER I FATHERS AND SONS "Dad, what does 'Mens sana in corpore sano' mean?" Mr. Edwards slightly lowered his Sunday paper and over the top of it frowned abstractedly at the boy on the window-seat. "Eh?" he asked. "What was that?" "'Mens sana in corpore sano,' sir." "Oh!" Mr. Edwards blinked through his reading glasses and rustled the paper.... more...

CHAPTER I HOW TREES GROW AND MULTIPLY   The trees of the forest grow by forming new layers of wood directly under the bark. Trees are held upright in the soil by means of roots which reach to a depth of many feet where the soil is loose and porous. These roots are the supports of the tree. They hold it rigidly in position. They also supply the tree with food. Through delicate hairs on the roots, they... more...

CHAPTER I HOW TO STUDY FORGED AND DISPUTED SIGNATURES All Titles Depend Upon the Genuineness of Signatures—Comparing Genuine With Disputed Signatures—A Word About Fac-simile Signatures—Conditions Affecting Production of Signatures—Process of Evolving a Signature—Evidence of Experience in Handling or Mishandling a Pen—Signatures Most Difficult to Read—Simulation of Signature by Expert... more...